Anthropic · Agent Skill

skill-creator

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for…

Published by Anthropic485 lines in SKILL.md
Source
anthropics/skills/skills/skill-creator
Repository owner
anthropics

Install

Read the SKILL.md and any scripts before installing: a skill runs with your agent's permissions. This copies just this skill into Claude Code's user skills folder; other agents read skills from their own folder.

Claude Code (user-level)

git clone --depth 1 --filter=blob:none --sparse https://github.com/anthropics/skills.git /tmp/skills
cd /tmp/skills && git sparse-checkout set "skills/skill-creator"
mkdir -p ~/.claude/skills && cp -r "skills/skill-creator" ~/.claude/skills/skill-creator

Skills folder docs:

Works with

Agent Skills is an open format, so this skill loads in any harness that supports it, including Claude Code, Codex, Gemini CLI, OpenCode, Cursor, GitHub Copilot, goose, OpenHands. Some skills are written for one product and say so in their description.

More skills from Anthropic

Reviewed Oct 5, 2026. Name and description are the skill's own frontmatter.